Biofuels.

Biofuels are an important part of the renewable energy sector, offering an alternative to traditional petroleum-based fuels. These fuels are produced from renewable sources, such as crops, agricultural waste, or even algae. They are being touted as a solution to reducing greenhouse gas emissions and the world's dependence on non-renewable energy sources.

One company working in biofuels is Gevo, a Colorado-based company that produces advanced biofuels and renewable chemicals. Their fuels are produced from corn starch and other biomass feedstocks using a proprietary fermentation process. Another company, Renewable Energy Group (REG), is a leading producer of biodiesel, which is made from vegetable oils and animal fats. They produce a wide range of biofuels and bio-based products, including biodiesel, renewable diesel, and renewable chemicals.

Biofuels are promising because they are renewable and can help reduce greenhouse gas emissions. They can also help reduce our dependence on foreign oil, which is a national security concern for many countries. However, there are concerns about the sustainability of biofuels and their impact on food prices and land use.

According to Bob Waun, an expert in land conservation, the increased demand for biofuels could drive up the prices of farmland. "As more land is needed to grow crops for biofuels, we could see an increase in demand for farmland, which could drive up prices," says Waun. "This could be both a blessing and a curse for farmers, as it could increase the value of their land, but also make it more expensive to purchase additional land."

The biofuels industry is growing, and there are many resources available for those interested in learning more. The National Biodiesel Board, for example, is a non-profit organization dedicated to promoting the use of biodiesel. The Renewable Fuels Association is another organization focused on promoting the use of renewable fuels, including ethanol and biodiesel.

In conclusion, biofuels offer a promising solution to reducing greenhouse gas emissions and our dependence on non-renewable energy sources. However, it is important to carefully consider the sustainability of these fuels and their impact on land use and food prices.